5O9J | pdb_00005o9j

Crystal structure of transcription factor IIB Mja mini-intein

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Hydrolase	e5o9jB1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Hydrolase	ECOD (v294.1)
A	Hydrolase	e5o9jA1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Hydrolase	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.170.16.10	Mainly Beta	Beta Complex	Endonuclease - Pi-scei	Chain A, domain 1	CATH (4.3.0)
A	2.170.16.10	Mainly Beta	Beta Complex	Endonuclease - Pi-scei	Chain A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF14890	Intein splicing domain (Intein_splicing)	Intein splicing domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transcription initiation factor IIB,Transcription initiation factor IIB	hydrolase activity catalytic activity transcription regulator activity DNA-binding transcription factor activity transcription factor binding protein binding binding TBP-class protein binding general transcription initiation factor binding endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid cation binding transition metal ion binding hydrolase activity catalytic activity transcription regulator activity DNA-binding transcription factor activity transcription factor binding protein binding binding TBP-class protein binding general transcription initiation factor binding endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	nucleobase-containing compound metabolic process DNA recombination metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process intron homing RNA metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription initiation nucleobase-containing compound metabolic process DNA recombination metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process intron homing RNA metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription initiation RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process transcription preinitiation complex assembly cellular component organization cellular component biogenesis protein-DNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis protein-containing complex organization protein-DNA complex assembly intein-mediated protein splicing protein maturation proteolysis protein processing protein metabolic process protein splicing	transcription preinitiation complex protein-containing complex protein-DNA complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036844	Hint domain superfamily	Homologous Superfamily
A, B	IPR000812	Transcription factor TFIIB	Family
A, B	IPR006142	Intein	Domain
A, B	IPR004042	Intein DOD homing endonuclease, central region	Domain
A, B	IPR006141	Intein N-terminal splicing region	PTM
A, B	IPR013137	Zinc finger, TFIIB-type	Domain
A, B	IPR003586	Hint domain C-terminal	Domain
A, B	IPR023486	Transcription factor TFIIB, conserved site	Conserved Site
A, B	IPR030934	Intein C-terminal splicing region	Conserved Site
A, B	IPR027434	Homing endonuclease	Homologous Superfamily
A, B	IPR013150	Transcription factor TFIIB, cyclin-like domain	Domain
A, B	IPR003587	Hint domain N-terminal	Domain
A, B	IPR036915	Cyclin-like superfamily	Homologous Superfamily
A, B	IPR023484	Transcription initiation factor TFIIB, archaea	Family
A, B	IPR013763	Cyclin-like domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.